这些句式你掌握了吗？按要求改写下列句子。
1.She has to go home now. ( 改为否定句)
She ____ ____ to go home now.
2.They didn't talk any more in class. (改为同义句)
They talked ___ ___ in class.
3.I had to take a bus because it was too far. (就画线部分提问)
___ ____ you have to take a bus ?
4.David missed the early bus this morning. (改为同义句)
David ___ ___the early bus this morning.
5. The boy is very strong, He can carry the heavy basket.(合并为一个句子 )
The boy is ______ ______ to carry the heavy basket.